Then Allah warns His servant against taking oaths as means of deception,
i.e., using them for treacherous purposes, lest a foot should slip after being
firmly planted. This is an analogy describing one who was on the right path but
then deviated and slipped from the path of guidance because of an unfulfilled
oath that involved hindering people from the path of Allah. This is because if a
disbeliever were to find that after having agreed to a covenant, then the
believer betrayed him, then the believer will have hindered him from entering
Islam. Thus Allah says:
[وَتَذُوقُواْ
الْسُّوءَ بِمَا صَدَدتُّمْ عَن سَبِيلِ اللَّهِ وَلَكُمْ عَذَابٌ عَظِيمٌ]
(and you taste the evil of having hindered from the path of Allah, and you
will suffer a terrible punishment.)
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